<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import * as echarts from 'echarts';
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'

export default {
	mixins: [resize],
	props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '200px'
    },
    autoResize: {
      type: Boolean,
      default: true
    },
    chartData: {
      type: Array,
			default: [],
      // required: true
    },
    chartTitle: {
      type: Array,
      required: true
    }
  },
  data() {
    return {
      chart: null
    }
  },
  watch: {
    chartData: {
      deep: true,
      handler(val) {
        this.setOptions(val,this.chartTitle)
      }
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons');
      this.setOptions(this.chartData,this.chartTitle)
    },
    setOptions(chartData,chartTitle) {
      this.chart.setOption({
			title: {
					// text: '折线图堆叠'
			},
			tooltip: {
					trigger: 'axis'
			},
			legend: {
					data: ['邮件营销', '联盟广告', '视频广告', '直接访问', '搜索引擎']
			},
			grid: {
					left: '3%',
					right: '4%',
					bottom: '3%',
					containLabel: true
			},
			xAxis: {
					type: 'category',
					boundaryGap: false,
					data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
			},
			yAxis: {
					type: 'value'
			},
			series: [
					{
							name: '邮件营销',
							type: 'line',
							stack: '总量',
							data: [120, 132, 101, 134, 90, 230, 210],
							smooth: false,
					},
					{
							name: '联盟广告',
							type: 'line',
							stack: '总量',
							data: [220, 182, 191, 234, 290, 330, 310],
							smooth: false,
					},
					{
							name: '视频广告',
							type: 'line',
							stack: '总量',
							data: [150, 232, 201, 154, 190, 330, 410],
							smooth: false,
					},
					{
							name: '直接访问',
							type: 'line',
							stack: '总量',
							data: [320, 332, 301, 334, 390, 330, 320],
							smooth: false,
					},
					{
							name: '搜索引擎',
							type: 'line',
							stack: '总量',
							data: [820, 932, 901, 934, 1290, 1330, 1320],
							smooth: false,
					},
				],
			})
    }
  }
}
</script>
